Erbium

Erbium ek chemical element hae, jiske Chemical symbol Er, atomic number 68 aur atomic mass 167.26 hae. Ii Lanthanide group ke ek member hae.

Atomic Structure
SymbolEr
Atomic Number68
Atomic Mass167.26 g/mol
Periodic Table
Group3
Row / Period6
Element CategoryTransition dhaatu
Chhapa
Erbium ke electron shell

Chhapa ke gallery